Finding the Fourth Proportional to 260,592,776.16, 390,888,834.14 and 66,504,195.68
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Solution
The fourth proportional to 260,592,776.16, 390,888,834.14 and 66,504,195.68 is: 99,756,209.28
Step by Step Solution
- Step 1: Write the proportion equation
260,592,776.16 : 390,888,834.14 = 66,504,195.68 : x - Step 2: Convert to fraction form
260,592,776.16/390,888,834.14 = 66,504,195.68/x - Step 3: Cross multiply
260,592,776.16x = 390,888,834.14 × 66,504,195.68 - Step 4: Simplify right side
260,592,776.16x = 25,995,747,514,773,624 - Step 5: Solve for x
x = 25,995,747,514,773,624/260,592,776.16 - Step 6: Final answer
x = 99,756,209.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.